@mixin clearfix {
/**
 * For modern browsers
 * 1. The space content is one way to avoid an Opera bug when the
 *    contenteditable attribute is included anywhere else in the document.
 *    Otherwise it causes space to appear at the top and bottom of elements
 *    that are clearfixed.
 * 2. The use of `table` rather than `block` is only necessary if using
 *    `:before` to contain the top-margins of child elements.
 */
  &:before,
  &.cf:after {
      content: " "; /* 1 */
      display: table; /* 2 */
  }
  
  &:after {
      clear: both;
  }
  
  /**
   * For IE 6/7 only
   * Include this rule to trigger hasLayout and contain floats.
   */
  *zoom: 1;
}

@mixin rounded-corners($radius) {
  -moz-border-radius: $radius;
  -webkit-border-radius: $radius;
  -khtml-border-radius: $radius;
  border-radius: $radius;
}

@mixin rounded($side, $radius) {
  border-#{$side}-radius: $radius;
  -moz-border-radius-#{$side}: $radius;
  -webkit-border-#{$side}-radius: $radius;
}
